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serenity/Servers/TTYServer/main.cpp
Andreas Kling 4f4dc47ec3 TTYServer: Use fork+exec instead of system()
No point in spawning an extra shell process just to spawn a shell. :^)
2020-01-04 12:33:34 +01:00

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697 B
C++

#include <AK/Assertions.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
int main(int argc, char** argv)
{
if (argc < 2)
return -1;
dbgprintf("Starting console server on %s\n", argv[1]);
while (true) {
dbgprintf("Running shell on %s\n", argv[1]);
auto child = fork();
if (!child) {
int rc = execl("/bin/Shell", "Shell", nullptr);
ASSERT(rc < 0);
perror("execl");
exit(127);
} else {
int wstatus;
waitpid(child, &wstatus, 0);
dbgprintf("Shell on %s exited with code %d\n", argv[1], WEXITSTATUS(wstatus));
}
}
}